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I'm unable to place an order because of errors.

Can I pay with PayPal?

Why did the price change since my last visit?

Can I make payment in a different currency?

Can I purchase a gift copy for my friend?

Why is my purchase refunded?

How to get a refund?

Is there a hard copy of the book?

What programming language is used for examples in the book?

What is the difference between Refactoring.Guru vs SourceMaking.com?

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